210112112021111 has 16 divisors (see below), whose sum is σ = 213456509491200. Its totient is φ = 206785779808608.

The previous prime is 210112112021099. The next prime is 210112112021171. The reversal of 210112112021111 is 111120211211012.

It is a cyclic number.

It is not a de Polignac number, because 210112112021111 - 2¹⁰ = 210112112020087 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 210112112021111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210112112021171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31605485 + ... + 37671353.

It is an arithmetic number, because the mean of its divisors is an integer number (13341031843200).

Almost surely, 2^{210112112021111} is an apocalyptic number.

210112112021111 is a deficient number, since it is larger than the sum of its proper divisors (3344397470089).

210112112021111 is an equidigital number, since it uses as much as digits as its factorization.

210112112021111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6067358.

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 210112112021111 its reverse (111120211211012), we get a palindrome (321232323232123).

The spelling of 210112112021111 in words is "two hundred ten trillion, one hundred twelve billion, one hundred twelve million, twenty-one thousand, one hundred eleven".